Home / 1,715.55-2,366.58-1,085.01

Finding the Fourth Proportional to 1,715.55, 2,366.58 and 1,085.01

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Solution

The fourth proportional to 1,715.55, 2,366.58 and 1,085.01 is: 1,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.55 : 2,366.58 = 1,085.01 : x
  2. Step 2: Convert to fraction form
    1,715.55/2,366.58 = 1,085.01/x
  3. Step 3: Cross multiply
    1,715.55x = 2,366.58 × 1,085.01
  4. Step 4: Simplify right side
    1,715.55x = 2,567,762.97
  5. Step 5: Solve for x
    x = 2,567,762.97/1,715.55
  6. Step 6: Final answer
    x = 1,496.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.